Silicon is a lustrous black solid that looks like a metal, and it is sold commercially as "Silicon Metal". Silicon is used when alloyed with various metals.
Silicon metal 98 generally refers to metal silicon with a silicon purity of 98% and above. Like other types of silicon metal, it is smelted from silica and coke through deoxidation and reduction. But it is an industrial silicon metal product that does not reach the regular standard. General silicon metal refers to metal silicon http://www.zhongxing-silicon.com/silicon-metal/